Average humidity in Castries

On this page you find more information about the monthly relative humidity over the year in Castries (Castries), Saint Lucia.

Castries's humidity levels vary throughout the year. The highest levels occur in November, reaching 84% (very high), while the lowest is recorded in April at 76%.

Throughout the year, the average humidity in Castries is 80%.

Humidity plays an important role in how temperatures are felt. During the warmest month, September, the maximum average temperature is around 31°C (88°F). Combined with very high humidity during this period, the temperature can feel even warmer than the thermometer shows.

During the coldest month, January, the maximum average temperature is around 29°C (84°F). This period has very high humidity. Check out our detailed temperature page for more information.